Hi RLI
Sounds a bit like my wife - loves the auto so easy to drive, we have a few 4800's and towing is interesting.
Personally I don't like to tow anything but have had to tow motorbike trailers across the Simpson , and even towed
another 4800 on a car trailer after it fell off a cliff at Reddies (over 3 tons).
The manual 4800 actually tows better when moving and delivers about a 2 second margin over the auto when doing a typical overtaking pass from 80 - 110kmh.
But if its regular van pulling then auto is smoother and the auto 4800 is very good and doesn't even know your pulling a trailer in the 1 ton class.
It is very thirsty though , but its interesting that some of the 3lt diesel Patrol owners have had issues , and changed to petrols and suffered no fuel penalty when towing.
I had the auto gearbox in mine worked over - not for towing but to improve downhill braking along with 2.88 transfer case gears and its hard to beat.